flatpak: By calling org.freedesktop.Flatpak.SystemHelper.CancelPull on another user's pull, the pull is not actually cancelled...
CVE-2026-96283 is fixed in flatpak on 1 platform, first by DEBIAN-CVE-2026-96283, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.
By calling org.freedesktop.Flatpak.SystemHelper.CancelPull on another user's pull, the pull is not actually cancelled but removed from internal tracking, making it impossible for the owning user to stop it. Ongoing pulls cannot be stopped.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| flatpak · Debian 12.15 (bookworm) | 1.14.10-1~deb12u2 | DEBIAN-CVE-2026-96283 | Sep 23, 2026 |
| flatpak · Debian 13.5 (trixie) | 1.16.4-1 | DEBIAN-CVE-2026-96283 | Sep 23, 2026 |
| flatpak · Debian 14 | 1.16.4-1 | DEBIAN-CVE-2026-96283 | Sep 23, 2026 |
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